Abstract: A negative active material composite, a method of preparing the same, a negative electrode, and a rechargeable lithium battery including the same, the negative active material composite including silicon nanoparticles; amorphous carbon; and graphitized carbon.

Abstract: A negative active material for a rechargeable lithium battery includes a core having a silicon-carbon composite and an amorphous carbon, the silicon-carbon composite being an agglomerated product of a crystalline carbon and silicon particles, and a coating layer on a surface of the core, the coating layer including catecholamine.

Abstract: A negative active material composite, a method of preparing the same, and a negative electrode and a rechargeable lithium battery including the same, the negative active material composite including compound particles represented by SiOx, in which 0<x?2.0; silicon nanoparticles having an average particle diameter (D50) of greater than 0 nm and less than or equal to about 200 nm; and amorphous carbon, wherein an internal pore volume of the negative active material composite is greater than 0 cm3/g and less than or equal to about 5.0×10?2 cm3/g.

Abstract: The present disclosure relates to a composite anode and a secondary battery including the same, the composite anode including a silicon-containing structure; a first carbon material; a second carbon material; and a conductive material, wherein the first carbon material has a specific surface area (BET) value of 1.5 m2/g or less, a rate of change of the specific surface area (m2/g) to an increase in particle size (?m) is ?0.07 to ?0.04 m2/?m·g, and an area occupied by pores in a cross-section of the first carbon material is 10% or less.

Abstract: A composite anode active material, an anode, and a lithium secondary battery, the composite anode active material including a silicon-carbon composite; a first graphite; and a second graphite that is different from the first graphite, wherein the first graphite has an average particle diameter D50 of about 10 ?m or greater, and the second graphite has an average particle diameter D50 of about 18 ?m or greater.

Abstract: A composite anode for a lithium secondary battery includes: a silicon-carbonaceous compound composite; a graphite; and a generally plate-shaped conductive material.

Abstract: A negative active material for a rechargeable lithium battery includes a silicon-carbon composite including a core including a crystalline carbon material, a silicon oxide, and a silicon particle and an amorphous carbon-containing coating layer on the surface of the core. An intensity ratio (Si/SiO2) of a Si peak relative to a SiO2 peak ranges from about 2.0 to about 3.0 as measured using an X-ray photoelectron spectroscopy for the negative active material.